Capybara DSL

capybara.rb

assert_selector 'article', count: Article.count
assert_selector 'article', exact: Article.count

assert find_button('Save article', disabled: true).disabled?

assert has_link?('New article', href: new_article_path)
# assert that a link with text 'New article' and href new_article_path exists
# not necessarily good to track bugs

assert_equal new_article_path, find('a', text: 'New article')[:href]
# assert selector and href value

assert_selector 'p.notice', text: 'Article created!'
# => asserts that a p.notice with text 'Article created!' is on the page

assert_equal 'Article created!', find('p.notice').text
# => assert that a p.notice exists *and* that its content is 'Article created!'

assert_equal 'Lorem Ipsum', title
# delegates `title` to `page`

assert_match %r(/articles/\d+), current_path
# no need to escape forward slashes with %r(...)